Ni-MH Charger NC-E2. This dedicated charger recharges Ni-MH Pack NP-E2 quickly, taking about 100 minutes for one Pack. It also prevents excess charging. Two Packs can be attached at one time. The discharge feature (taking about 8.5 hours) cancels the NP-E2 memory effect. It runs on 100-240V AC. Weight 12.5oz.